four employees of borden testing labs earn $18 an hour. another 6 employees earn $23 an hour, while 4 others are paid $13 an hour. what is the average pay per hour earned by the employees, to the nearest cent?

$3.86

Step-by-step explanation:

When finding averages, this can also be known as the mean value. How we find this is by adding all the money values together first, which is $18 + $23 + $13 = $54. Then we add the number of all the employees, which is 6 + 2 x 4 or 8 which is 14 employees. Then we divided the amount of money amongst all of the employees, so 54/14 = 3.85714286 approximately. Of course those extra exact numbers are irrational and won't work in money, so to round to the nearest tenth, we go to the tenths place which is the 5 in $3.85, and the next number is 7 after that. The rule for rounding is if the number after the number you're rounding to is 5 or higher, you should increase it by one, but if not, like if it's 4 or less, it remains the same. In this particular case, since 7 is higher than 5, we would round $3.85 to $3.86 instead. This represents the average pay.

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step-by-step explanation: